Change value type of timeout and maximumAge in PositionOptions

Source/modules/geolocation/PositionOptions.h

Index: Source/modules/geolocation/PositionOptions.h
diff --git a/Source/modules/geolocation/PositionOptions.h b/Source/modules/geolocation/PositionOptions.h
index 272270b81a89148703f5ceb1cc08729340224a8d..6885ff8c12d3931e981dcab61529754ffb8e6df9 100644
--- a/Source/modules/geolocation/PositionOptions.h
+++ b/Source/modules/geolocation/PositionOptions.h
@@ -39,27 +39,25 @@ public:
     bool enableHighAccuracy() const { return m_highAccuracy; }
     void setEnableHighAccuracy(bool enable) { m_highAccuracy = enable; }
     bool hasTimeout() const { return m_hasTimeout; }
-    int timeout() const
+    unsigned timeout() const
     {
         ASSERT(hasTimeout());
         return m_timeout;
     }
-    void setTimeout(int timeout)
+    void setTimeout(unsigned timeout)
     {
-        ASSERT(timeout >= 0);
         m_hasTimeout = true;
         m_timeout = timeout;
     }
     bool hasMaximumAge() const { return m_hasMaximumAge; }
-    int maximumAge() const
+    unsigned maximumAge() const
     {
         ASSERT(hasMaximumAge());
         return m_maximumAge;
     }
     void clearMaximumAge() { m_hasMaximumAge = false; }
-    void setMaximumAge(int age)
+    void setMaximumAge(unsigned age)
     {
-        ASSERT(age >= 0);
         m_hasMaximumAge = true;
         m_maximumAge = age;
     }
@@ -74,9 +72,9 @@ private:
 
     bool m_highAccuracy;
     bool m_hasTimeout;
-    int m_timeout;
+    unsigned m_timeout;
     bool m_hasMaximumAge;
-    int m_maximumAge;
+    unsigned m_maximumAge;
 };
 
 } // namespace WebCore